Fence



FIG. 1 is a front view of a fence having a pair of rails with a vertical member there between;

FIG. 2 is a top view;

FIG. 3 is a bottom view; and,

FIG. 4 is a side view.

The broken lines are for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a fence, as shown and described. 